618040754424 has 128 divisors (see below), whose sum is σ = 1743961728000. Its totient is φ = 202757271552.

The previous prime is 618040754423. The next prime is 618040754503. The reversal of 618040754424 is 424457040816.

618040754424 is a `hidden beast` number, since 6 + 1 + 80 + 4 + 0 + 7 + 544 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 618040754424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618040754423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16667697 + ... + 16704735.

It is an arithmetic number, because the mean of its divisors is an integer number (13624701000).

Almost surely, 2^618040754424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618040754424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871980864000).

618040754424 is an abundant number, since it is smaller than the sum of its proper divisors (1125920973576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

618040754424 is a wasteful number, since it uses less digits than its factorization.

618040754424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38274 (or 38264 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 618040754424 in words is "six hundred eighteen billion, forty million, seven hundred fifty-four thousand, four hundred twenty-four".